Sper Scientific 850013 Advanced Datalogging Sound Meter User Manual
Page 11
11
9. BACKLIGHT
Press to turn the backlight on. Press again to turn the
backlight off. The backlight will turn off automatically
after 30 seconds.
10. A/C
Sets frequency rating to A or C scale.
11. FAST/SLOW
Sets time weighting to Fast or Slow.
12. Microphone
½ inch Electret Condenser microphone
13. CAL potentiometer
Calibration control for level calibration adjustment.
14. PC connection
The PC jack signal output is a 9600 bps N 8 1 serial
interface. Use the accessory RS232/USB interface
cable to connect to the PC.
KEYPAD
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